#include<stdio.h>
int main()
{
	printf("Hello OpenHarmony");
	float x,y,z;
	for(y=1.5f;y>-1;y-=0.1f)
	{
		for(x=-1.5f;x<1.5f;x+=.04f)
		{
			z=x*x+y*y-1;
			printf(z*z*z-x*x*y*y*y< 0.0f ? "x":" ");
		}
		printf("\n");
		printf("Hello OpenHarmony");
	}
	return 0;
}
